CN104512748B - Control method of coiling apparatus - Google Patents
Control method of coiling apparatus Download PDFInfo
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- CN104512748B CN104512748B CN201310461030.8A CN201310461030A CN104512748B CN 104512748 B CN104512748 B CN 104512748B CN 201310461030 A CN201310461030 A CN 201310461030A CN 104512748 B CN104512748 B CN 104512748B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/414—Winding
- B65H2301/4143—Performing winding process
- B65H2301/41432—Performing winding process special features of winding process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/40—Identification
- B65H2511/416—Identification of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/20—Acceleration or deceleration
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Abstract
The invention discloses a control method of coiling apparatus and a positioning device of coiling machine belt head; the coiling machine is provided with a mandrel; a rubber sleeve is sleeved on the mandrel, wherein the positioning device comprises a laser sensor, a PLC controller for positioning control of the mandrel of the coiling machine, and a soft area arranged on the circumference of the rubber sleeve; a light reflecting element is arranged in the soft area; the laser sensor detects the position of the soft area by the light reflecting element and outputs a pulse signal to the PLC controller. The positioning device of coiling machine belt head is able to precisely position the threading belt head into the soft area of the rubber sleeve, thus meeting the technical requirements that the scroll printing defect must be controlled within 30 meters, thereby greatly increasing the yield of the machine unit.
Description
Technical field
The present invention relates to cold rolling hot dip galvanizing unit equipment field, more specifically to a kind of controlling party of taking-up equipment
Method, for the control of the taking-up equipment of continuous galvanizing line outlet section.The invention still further relates to positioner taken the lead by coiling machine.
Background technology
As shown in Figure 1, usually, continuous galvanizing line outlet section taking-up equipment includes shears 8, magnetic belt 5, turns to folder
Send the equipment such as roller 6, threading guide board platform and 3 coiling machines 1, setting on the mandrel of coiling machine 1 becomes the rubber bush of coil of strip internal diameter
2.The two kinds of rubber bush of 508mm and 610mm is provided with according to technological requirement continuous galvanizing line.Continuous galvanizing line batches and sets
A standby critical function precision index is exactly that spool print defect must control within 30 meters, thus improving receiving of machine set product
Rate.But traditional coiling machine there is a problem of as follows in actual use:
1st, traditional coiling coater due to not taking the lead location control function, take the lead on coiling machine rubber bush by threading
Position is random so that can produce the spool print defect that 100-200m does not wait when more than 1.5mm thickness material volume takes, and substantially reduces
The lumber recovery of unit.
2nd, because the spool of taking the lead that unit has certain length prints defect, the unit is led to cannot normally to produce qualified
Finished product it is necessary to lower to technique go check spool print defect and excised wait operate, adds somewhat to product
Ton steel cost, certain impact is produced to cold rolling logistical balancing.
3rd, print the length of defect to reduce thick material spool as far as possible, operative employee is usually taken the suitable side reducing coiling tension
Method, to compensate control, sometimes can cause the function precision that inner ring overflows not to be inconsistent item, operative employee's high labor intensive, certain journey
The stable operation of unit be have impact on degree.
Content of the invention
The problem existing in actual applications for prior art, it is an object of the present invention to provide one kind is by right
Coiling machine is taken the lead to carry out to be accurately positioned to reach to reduce spool and print the coiling machine of defect and is taken the lead positioner.
To achieve these goals, positioner taken the lead by a kind of coiling machine that the present invention provides, and described coiling machine is provided with core
Axle, described mandrel is arranged with rubber bush, wherein, described positioner include a laser sensor, one be used for described volume
The mandrel taking machine carries out the plc controller of location control and the soft zone arranging in the periphery of described rubber bush, described soft zone
Inside it is provided with reflecting element, described laser sensor detects described soft zone position by described reflecting element and exports pulse letter
Number to described plc controller.
Preferably, the width range of described soft zone is 50-70mm.
Preferably, described reflecting element is the reflective sheeting being sticked in described soft zone.
Further object is that provide a kind of control method of taking-up equipment, this taking-up equipment include shears,
Grating, magnetic belt, turning, clamping and conveying roller, threading guide board platform and coiling machine, coiling machine is provided with coiling machine as above and takes the lead to determine
Position device, the method includes:
First stage: step one, after described coiling machine batches the automatic EOS of preparation, start described mandrel positioning automatically
Step；Step 2, described laser sensor starts to detect the described soft zone position on described mandrel, when described soft zone position is detected
When, export a pulse signal；Step 3, after described plc controller receives described pulse signal, described coiling machine reduction of speed is simultaneously
Positioned, this automatic EOS after the completion of positioning；
Second stage: step 4, after the automatic EOS of shears, start coiling machine threading and automatically walk, outlet section equipment is with the
One threading speed carries out threading；Step 5, when batching length and being more than l1, coiling machine is started with the second threading speed, and outlet section sets
Standby simultaneously automatic reduction of speed runs to the second threading speed, prepares to take the lead to nip；Step 6, the coiling machine when batching length and being more than l2
Build and open, the speed of coiling machine can rise to k4 times of the second threading speed, and is down to the second threading speed immediately, big when batching length
When l3, outlet section equipment automatically increases the speed to the first threading speed；When batching length more than l4, outlet section equipment automatic raising speed
The speed setting to operator；
Wherein: the length of l1 arrives the distance between grating for shears；The length of l2 connects the volume in moment for reel tension
Take length value；L3 is that coiling machine batches length value from the moment of the second threading speed raising speed to the first threading speed；L4 is volume
Machine is taken to batch length value from the first threading speed raising speed to the moment of setting speed；K4 be coiling machine tension force adjust because
Son, numerical range is 1.05-1.15.
Preferably, described second threading speed is 0.4～0.6:1 with the ratio of described first threading speed.
Preferably, described first threading speed is 40-60m/min.
Preferably, in step one, coiling machine is rotated with 8-12m/min speed.
Preferably, in step 3, after described plc controller receives described pulse signal, described coiling machine is dropped
Speed is 3-7m/min.
Preferably, in step 3, when described plc controller positions to described coiling machine, to input the factor being
Coiling tension setting value, setting up an output factor is the mandrel location control model of mandrel positioning time changing value；
Being drawn by below equation of coiling tension setting value:
tr_ten_set=(g_l2_tr_tens*g_tr_ten_ratio*g405_18ds_val)+r_tr_bw_loss
(1),
The middle coiling tension setting value of wherein tr_ten_set: location model, unit: kn；
G_l2_tr_tens: the coiling machine threading tension force setting value issuing for computer, unit: kn；
G_tr_ten_ratio: coiling machine tapered tension force coefficient, this coefficient preferred scope is: 1.15-1.25；
G405_18ds_val: adjustable coefficient on operation screen, range of accommodation is: 1-1.2；
R_tr_bw_loss: help volume belt tension offset.
Preferably, in step 6, described length l2 of batching is determined by below equation:
l2=r_len_shr_tr+d_tr_mand*π*k1；
Described length l3 of batching is determined by below equation:
l3=r_len_shr_tr+d_tr_mand*π*k2；
Described length l4 of batching is determined by below equation:
l4=r_len_shr_tr+d_tr_mand*π*k3；
Wherein, r_len_shr_tr: arrive the distance between mandrel for recoiling machine for shears；
D_tr_mand: for the external diameter of mandrel for recoiling machine；
K1: for Dynamic gene, numerical range is: 0.6-1.0；
K2: for Dynamic gene, the preferred scope of this factor is: 1.5-2.4；
K3: for Dynamic gene, the preferred scope of this factor is: 2.6-3.5.
The beneficial effects of the present invention is: 1, it can make threading take the lead accurately to navigate to rubber bush soft zone interior,
Meet spool print defect and must control technological requirement within 30 meters.Substantially increase the lumber recovery of unit.2nd, because spool prints
Defect efficiently controlled, unit can directly go out qualified finished product, reduces ton steel cost to a certain extent, also favorably
Whole logistical balancing in cold rolling mill.3rd, because the defect of spool print is efficiently controlled, operative employee need not carry out other
Prevention Intervention, operative employee's labor intensity is low, also ensure that the stable operation of unit.
Brief description
Fig. 1 be provided with the present invention coiling machine take the lead positioner outlet section taking-up equipment structural representation.
Fig. 2 be the present invention coiling machine take the lead positioner rubber bush soft zone detection control principle schematic diagram.
Fig. 3 be the present invention coiling machine take the lead positioner mandrel for recoiling machine position control method flow chart.
Fig. 4 is the Controlling model of the mandrel for recoiling machine position control method of the present invention.
Fig. 5 walks control flow chart automatically for coiling machine threading.
Fig. 6 is to batch motor speed and tension force switching control flow chart.
Specific embodiment
Further illustrate technical scheme with reference to the accompanying drawings and examples.
Cold rolling 1730 continuous galvanizing line of Baosteel five are case study on implementation of patent of the present invention.
Patent of the present invention adopt the following technical scheme that coiling machine positioning automatically step using set up mandrel location control model and
The control program that coiling machine threading is automatically switched using speed, tension force connection combines.The specification that it is applied to strip steel is: thickness
0.25-2.3mm, width is: 700-1630mm.The strip steel specification of the present embodiment is: thickness: 1.8mm；Width is: 1505mm.
First, coiling machine positioning walks control flow explanation automatically
See Fig. 2.By with the so-called soft zone of soft zone 21(21, referring to that the hardness of this part is less than other of rubber bush
Partial hardness, to take the lead can be absorbed at this, it is to avoid spool print generation) rubber bush 2 on paste special reflective sheeting
After 22, pulse signal is detected by laser sensor 10, and output it to export master control plc controller 9, for coiling machine 1
Mandrel location control.Width (mandrel contraction state) preferred scope of the soft zone 21 on rubber bush 2 is: 50-70mm.This
Unit is preferably: 60mm.
Fig. 3 be the present invention coiling machine take the lead positioner mandrel for recoiling machine position control method flow chart.As Fig. 3
Shown, after coiling machine 1 batches the automatic EOS of preparation, start mandrel positioning and automatically walk, coiling machine is rotated with 10m/min speed；
Laser sensor 10 starts detecting core shaft 2 soft zone 21 position, when soft zone 21 position is detected, exports a pulse signal；plc
After receiving this signal, coiling machine reduction of speed to 5m/min, and positioned with the time of the location control model output of Fig. 4,
This automatic EOS after the completion of positioning.
Batch motor speed 1: preferred scope: 8-12m/min, the unit is preferably: 10m/min.
Batch motor speed 2: preferred scope: 3-7m/min, the unit is preferably: 5m/min.
See the Controlling model of the mandrel for recoiling machine position control method that Fig. 4 is the present invention.Mandrel location control model is exactly
To input the factor for coiling tension setting value, setting up an output factor is mandrel positioning time changing value.Mandrel location control
The preferred scope of the points of model is: 5-15.X1 is the minima that reel tension sets, x5 or x15 is that the unit is batched
The maximum that machine tension force sets.Distribution between reel tension minima and maximum can be average decile or uneven impartial
Point.The unit is preferably: 11 points.The minima that i.e. x1=7kn(reel tension sets), x2=10kn, x3=20kn, x4=
30kn, x5=40kn, x6=50kn, x7=60kn, x8=70kn, x9=80kn, x10=87kn, x11=87kn(reel tension sets
Maximum).
The input factor is that the calculating logic formula (1) of coiling tension setting value is as follows:
tr_ten_set=(g_l2_tr_tens*g_tr_ten_ratio*g405_18ds_val)+r_tr_bw_
loss--------------------------------------(1)
In formula: tr_ten_set: the middle coiling tension setting value of location model, unit: kn.
G_l2_tr_tens: the coiling machine threading tension force setting value issuing for computer, unit: kn.The present embodiment is:
50kn.
G_tr_ten_ratio: coiling machine tapered tension force coefficient, this coefficient preferred scope is: 1.15-1.25.This
Unit is preferably: 1.2.
G405_18ds_val: adjustable coefficient on operation screen, range of accommodation is: 1-1.2.The present embodiment is: 1.0.
R_tr_bw_loss: help volume belt tension offset, be a constant, the unit is: 5kn.
Output factor positioning time value: obtained by location control model (see figure 4), wherein y1-y5 or y15 numerical value passes through
Field adjustable obtains.Unit: ms.
It is computed:
Tr_ten_set=(g_l2_tr_tens*g_tr_ten_ratio*g405_18ds_val)+r_tr_bw_loss=
50 × 1.2 × 1.0+5=65kn.
Following table is parameter after the unit debugging:
Show that mandrel positioning time y is=7881ms by looking into upper table
2nd, coiling machine threading walks control flow explanation automatically
Fig. 5 walks control flow chart automatically for coiling machine threading.
After the automatic EOS of shears, start coiling machine threading and automatically walk, outlet section master control carries out threading with threading speed 1.
When batching length and being more than l1, coiling machine is started with threading speed 2, outlet section main control device simultaneously automatically reduction of speed to threading speed 2
Run, prepare to take the lead to nip.Fig. 6: coiling machine is built and opened when batching length and being more than l2, and the speed of coiling machine can rise to k4 times of threading
Speed 2, and it is down to threading speed 2 immediately, when batching length more than l3, outlet section main control device automatically increases the speed to threading speed
1, when batching length more than l4, the speed that outlet section equipment automatic raising speed sets to operative employee.
Wherein: the length of l1 is: see Fig. 1 shears the distance between to grating 7.Unit: m.The unit is preferably: tr1 leads to
The distance in road is 7.04m；The distance of tr2 passage is 14.565m；
Reel tension connection moment (l2) calculating logic formula (2):
l2=r_len_shr_tr+d_tr_mand*π*k1--------------------(2)
In formula: l2: reel tension connects occasion length value, unit: m.
R_len_shr_tr: arrive the distance between mandrel for recoiling machine for shears.It is a constant, unit is: m.The unit
It is preferably: the distance of shears to tr1 is: 8.775m;The distance of shears to tr2 is: 16.5m
π: be a constant, be: 3.14159.
K1: for Dynamic gene, the preferred scope of this factor is: 0.6-1.0.
The present embodiment is preferably: 0.8.
Moment (l3) the calculating logic formula (3) from threading speed 2 raising speed to threading speed 1 for the coiling machine:
l3=r_len_shr_tr+d_tr_mand*π*k2-------------------(3)
In formula: l3: from threading speed 2 raising speed to the occasion length value of threading speed 1, unit: m.
R_len_shr_tr: arrive the distance between mandrel for recoiling machine for shears.It is a constant, unit is: m.
The external diameter of d_tr_mand: mandrel for recoiling machine.It is chosen as according to process requirements: 0.61m or 0.508m. the present embodiment
It is preferably: 0.61m.
π: be a constant, be: 3.14159.
K2: for Dynamic gene, the preferred scope of this factor is: 1.5-2.4.The present embodiment is preferably: 2.0.
Moment (l4) the calculating logic formula (4) from threading speed 1 raising speed to setting speed for the coiling machine:
l4=r_len_shr_tr+d_tr_mand*π*k3-------------------(4)
In formula: l4: from threading speed 1 raising speed to the occasion length value of setting speed, unit: m.
R_len_shr_tr: arrive the distance between mandrel for recoiling machine for shears.It is a constant, unit is: m.
The external diameter of d_tr_mand: mandrel for recoiling machine.It is chosen as according to process requirements: 0.610m or 0.508m. the present embodiment
It is preferably: 0.61m.
π: be a constant, be: 3.14159.
K3: for Dynamic gene, the preferred scope of this factor is: 2.6-3.5.The present embodiment is preferably: 3.0.
K4: for the tension force Dynamic gene of coiling machine, the preferred scope of this factor: 1.05-1.15.The present embodiment is excellent
Elect as: 1.1.
Threading speed 1 preferred scope: 40-60m/min, the unit is preferably: 40m/min.
Threading speed 2 preferred scope: (0.4-0.6) threading speed 1 again.The unit is preferably: 20m/min.
It is computed:
l1_tr1=7.04m；L1_tr2=14.565m；
l2=r_len_shr_tr+d_tr_mand*π*k1.
l2_tr1=8.775+0.61*3.1415*0.8=10.30m；
l2_tr2=16.5+0.61*3.1415*0.8=18.033m;
l3=r_len_shr_tr+d_tr_mand*π*k2
l3_tr1=8.775+0.61*3.1415*2=12.068m
l3_tr2=14.565+0.61*3.1415*2=18.288m
l4=r_len_shr_tr+d_tr_mand*π*k3
l4_tr1=8.775+0.61*3.1415*3=14.524m
l4_tr2=14.565+0.61*3.1415*3=20.314m
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to illustrate that the present invention is special
Profit, and it is not used as limitation of the invention, as long as in the spirit of the present invention, to embodiment described above
Change, modification all will fall in the range of claims of the present invention.
The feasibility of estimated invention popularization and application and prospect: apparatus of the present invention can be widely used for cold rolling mill other unit and batch
In equipment, it can eliminate the defect of strip coiling belt end seal effectively, improves the lumber recovery and to a certain extent of unit
Reduce the cost of investment of unit, having can application value.
Claims (7)
1. a kind of control method of taking-up equipment, this taking-up equipment includes shears, grating, magnetic belt, turning, clamping and conveying roller, threading
Guide board platform and coiling machine, described coiling machine is provided with mandrel, and described mandrel is arranged with rubber bush, and described coiling machine is configured with volume
Take machine to take the lead positioner, described coiling machine take the lead positioner include a laser sensor, one be used for described coiling machine
Mandrel carries out plc controller and the soft zone in the setting of the periphery of described rubber bush of location control, setting in described soft zone
There is reflecting element, described laser sensor detects described soft zone position by described reflecting element and output pulse signal is to institute
State plc controller it is characterised in that the method includes:
First stage: step one, after described coiling machine batches the automatic EOS of preparation, start described mandrel positioning and automatically walk；Step
Rapid two, described laser sensor starts to detect the described soft zone position on described mandrel, when described soft zone position is detected, defeated
Go out a pulse signal；Step 3, after described plc controller receives described pulse signal, described coiling machine reduction of speed is simultaneously carried out
Positioning, this automatic EOS after the completion of positioning；
Second stage: step 4, after the automatic EOS of shears, start coiling machine threading and automatically walk, outlet section equipment is worn with first
Tape speed carries out threading；Step 5, when batching length and being more than l1, coiling machine is started with the second threading speed, and outlet section equipment is same
Shi Zidong reduction of speed runs to the second threading speed, prepares to take the lead to nip；Step 6, when batching length and being more than l2, coiling machine is built
, the speed of coiling machine can rise to k4 times of the second threading speed, and is down to the second threading speed immediately, is more than when batching length
During l3, outlet section equipment automatically increases the speed to the first threading speed；When batching length more than l4, outlet section equipment automatic raising speed arrives
The speed that operator sets；
Wherein: the length of l1 arrives the distance between grating for shears；The length of l2 batches length for the reel tension connection moment
Angle value；L3 is that coiling machine batches length value from the moment of the second threading speed raising speed to the first threading speed；L4 is coiling machine
Batch length value from the first threading speed raising speed to the moment of setting speed；K4 is the tension force Dynamic gene of coiling machine,
Numerical range is 1.05-1.15.
2. the control method of taking-up equipment as claimed in claim 1 is it is characterised in that described second threading speed and described the
The ratio of one threading speed is 0.4～0.6:1.
3. the control method of taking-up equipment as claimed in claim 2 is it is characterised in that described first threading speed is 40-
60m/min.
4. the control method of taking-up equipment as claimed in claim 1 is it is characterised in that in described step one, coiling machine with
8-12m/min speed rotates.
5. the control method of taking-up equipment as claimed in claim 1 is it is characterised in that in described step 3, described plc is controlled
After device processed receives described pulse signal, described coiling machine reduction of speed is 3-7m/min.
6. the control method of taking-up equipment as claimed in claim 1 is it is characterised in that in described step 3, described plc is controlled
When device processed positions to described coiling machine, according to input factor coiling tension setting value, setting up an output factor is mandrel
The mandrel location control model of positioning time changing value；
Described input being drawn by below equation of factor coiling tension setting value:
Tr_ten_set=(g_l2_tr_tens*g_tr_ten_ratio*g405_18ds_val)+r_tr_bw_loss,
The middle coiling tension setting value of wherein tr_ten_set: location model, unit: kn；
G_l2_tr_tens: the coiling machine threading tension force setting value issuing for computer, unit: kn；
G_tr_ten_ratio: coiling machine tapered tension force coefficient, this coefficient adjustment scope is: 1.15-1.25；
G405_18ds_val: adjustable coefficient on operation screen, range of accommodation is: 1-1.2；
R_tr_bw_loss: help volume belt tension offset.
7. the control method of taking-up equipment as claimed in claim 1 is it is characterised in that in step 6, described batches length
L2 is determined by below equation:
L2=r_len_shr_tr+d_tr_mand* π * k1；
Described length l3 of batching is determined by below equation:
L3=r_len_shr_tr+d_tr_mand* π * k2；
Described length l4 of batching is determined by below equation:
L4=r_len_shr_tr+d_tr_mand* π * k3；
Wherein, r_len_shr_tr: arrive the distance between mandrel for recoiling machine for shears；
D_tr_mand: for the external diameter of mandrel for recoiling machine；
K1: for Dynamic gene, numerical range is: 0.6-1.0；
K2: for Dynamic gene, the preferred scope of this factor is: 1.5-2.4；
K3: for Dynamic gene, the preferred scope of this factor is: 2.6-3.5.
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| CN111054753B (en) * | 2019-11-29 | 2021-09-03 | 首钢智新迁安电磁材料有限公司 | Strip steel head threading control method and system |
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